DPR 2005 (serv.man2) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 14

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                               DPR2005 (Harman Kardon)
 
EMC Test Report 
Reference No.: NK2EE 267.EMS 
 
 
 
11. Radio-frequency, Electromagnetic Field Keyed Carrier Immunity test (ENV 50204) 
 
11.1 Test criteria and test procedure 
 
      Operating environment; 
 Temperature: 
20  ℃ 
 
Relative Humidity: 
40 % 
 
 
The tests were performed at 3m distance in an anechoic chamber.
 
For floor-standing equipment, the EuT was standing on the floor, isolated from the ferrite core.
 
For tabletop equipment, the EuT was located on a wooden table 0.8m above the floor.
 
The EuT was exposed to the field from different angles, normally 0。, 90。,180。,270。 and 360。
 
and at both horizontal and vertical polarization (antenna height 1.5m).
 
A signal level of 3V/m, 50% PM modulated with a 200Hz was applied in the frequency range
 
895 - 905MHz.
 
 
Instrumentation used during this session: 
 
Instruments 
Manufacturer
Model 
Serial Number 
Due to Calibration
Signal Generator
 
R & S
 
SMY01
 
1062.5502.11
 
2004. 12 
Power Amplifier
 
Noiseken
 
NA25MF1G2010C
 
A00518
 
2005. 02 
Power Sensor
 
HP
 
8482A
 
U537293323
 
2005. 02 
Power Meter
 
HP
 
E4419B
 
GB39511164
 
2005. 04 
Biconical log Antenna
 
ARA
 
LPB-2520/A
 
1180
 
2005. 02 
Wideband field probe
 
Chase
 
EMC-20
 
2244190.2
 
2005. 03 
 
11.2 Test Parameters 
 Port: 
Enclosure 
 
Test Engineer: 
J. Y. Yu 
 Basic Standard:  EN 61000-4-3:1995 
 
Performance Criteria: 
 Dwell Time : 
3 Sec 
 
Frequency Step : 
1% 
Modulation : 
50% Duty PM @ 200 Hz 
Frequency Range : 
895-905 MHz 
 Test Level 
3 Vrms 
 
 
 
 
 
 
 
 
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